CN211314115U - Mute slag-discharging drill bit for construction of bored pile of rotary drilling rig - Google Patents
Mute slag-discharging drill bit for construction of bored pile of rotary drilling rig Download PDFInfo
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- CN211314115U CN211314115U CN201922158996.XU CN201922158996U CN211314115U CN 211314115 U CN211314115 U CN 211314115U CN 201922158996 U CN201922158996 U CN 201922158996U CN 211314115 U CN211314115 U CN 211314115U
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Abstract
The utility model discloses a silence sediment drill bit of arranging for digging rig bored concrete pile construction soon, including boring a section of thick bamboo, be fixed in the square head hanging wall assembly on boring a section of thick bamboo top, be fixed in the drilling board of controlling of boring a section of thick bamboo bottom, set up in the sediment dish and a plurality of dowel steel of boring a section of thick bamboo inside and be located the square head hanging wall assembly directly over and for the pressure disk of ring structure, the hanging wall and the pressure disk fixed connection of square head hanging wall assembly are all passed on the top of a plurality of dowel steel, the bottom of a plurality of dowel steel all with arrange sediment dish fixed connection. The utility model fixedly connects the pressure plate and the slag discharging disc through the dowel bar, when the drill bit is lifted out of the hole, the disc on the drill rod presses the pressure plate to push the dowel bar so as to push the slag discharging disc, thereby quickly pushing the slag soil in the drill cylinder out of the drill cylinder, aiming at different soil layers, the noise is low, and the application range is wide; in addition, the drill bit is convenient to construct, operation habits of a drilling machine do not need to be changed, construction efficiency is high, cost is saved, and economic benefits are improved.
Description
Technical Field
The utility model relates to a drill bit field is used in bored pile construction, specifically is a silence row sediment drill bit for digging the construction of rig bored concrete pile soon.
Background
With the development of science and technology, the pile foundation is widely applied to the fields of subway construction, stations, airports, house buildings and the like due to large bearing capacity and stable structure, but how to control noise is a difficult point when the existing pile machine is constructed. The current common methods are: the drill rod is rotated forward and backward quickly to drive the drill bit to throw away the muck; the main cable is quickly retracted and released, so that the slag soil in the drill bit is shaken out. However, from the construction point of view, the defects mainly comprise that 1, long-term shaking of the main cable can accelerate the aging speed of the cable. 2. For a cohesive soil layer, the residual soil is difficult to throw out, and the efficiency is low. 3. Rotating the drill rod quickly can produce a loud noise.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a silence row sediment drill bit for digging soon rig bored concrete pile construction, the construction noise when can reduce drilling and can get rid of the dregs in the drill bit fast.
The technical scheme of the utility model is that:
a silent slag-discharging drill bit for the construction of a drilling cast-in-place pile of a rotary drilling machine comprises a drilling barrel, a square head upper disc assembly fixed at the top end of the drilling barrel, a left and a right drilling plates fixed at the bottom end of the drilling barrel, a slag-discharging disc and a plurality of force transmission rods arranged in the drilling barrel, and a pressure disc which is positioned right above the square head upper disc assembly and is of a circular structure, wherein the square head upper disc assembly comprises an upper disc and a square head reinforcing rib plate fixed on the upper end surface of the upper disc, the top ends of the force transmission rods penetrate through the upper disc and are fixedly connected with the pressure disc, the bottom ends of the force transmission rods are fixedly connected with the slag-discharging disc, the left and the right drilling plates comprise a lower ring, a left fluted disc, a right fluted disc and a plurality of cutting teeth fixed on the left fluted disc and the right fluted disc respectively, the top end of the lower ring is fixedly connected with the bottom end of the drilling barrel, the left fluted disc and the right fluted disc are both obliquely arranged, and the fixed points of the left fluted disc and the lower ring are radially symmetrical to the fixed points of the right fluted disc and the lower ring, the bottoms of the left fluted disc and the right fluted disc are both of triangular plate structures, the sharp corners at the bottom ends of the left fluted disc and the right fluted disc are inclined downwards to the circle center of the lower ring, the plurality of cutting teeth are respectively fixed on one side edge of the bottoms of the left fluted disc and the right fluted disc, the cutting teeth on the left fluted disc and the right fluted disc are inclined downwards, and the orientations of the cutting teeth on the left fluted disc and the right fluted disc are different.
And a plurality of wear-resistant strips with arc structures are fixed on the outer wall of the drilling barrel.
The up end of hanging wall on be fixed with a plurality of dowel steel protective sheaths, the top of dowel steel protective sheath all towards the pressure disk, a plurality of dowel steel protective sheaths are located deep floor's periphery, the top of a plurality of dowel steel pass hanging wall and dowel steel protective sheath and pressure disk fixed connection in order.
And each cutting tooth on the left fluted disc and the right fluted disc is fixed on the left fluted disc or the right fluted disc through the corresponding cutting tooth seat.
The inner wall of the drilling barrel is fixedly provided with a plurality of triangular limiting plates, and the triangular limiting plates are fixedly connected with the lower end face of the upper disc.
The wall of the drilling barrel is circumferentially and uniformly opened and is used for reducing downward pressing resistance and draining water.
The square head reinforcing rib plate comprises a square head of a square tubular structure consisting of four rib plates, four outer rib plates which are positioned on the periphery of the square head and are fixedly connected with the corners of the square head respectively and four L-shaped hoops which are fixed at the top end of the square head, wherein the four L-shaped hoops are respectively and tightly connected with four corners of the top end of the square head, the bottom ends of the square head and the outer rib plates are fixed on the upper plate, and the upper plate is provided with a square opening communicated with the square head.
The pressure disk with arrange the sediment dish on all be provided with a plurality of through-holes, the top of a plurality of dowel bars penetrate a plurality of through-holes of pressure disk and with pressure disk welded fastening, the bottom of a plurality of dowel bars penetrate a plurality of through-holes of arranging the sediment dish and with arrange sediment dish welded fastening.
The inner ring of the pressure plate is provided with four arc-shaped notches, and four L-shaped hoops of the square-head reinforcing rib plate can conveniently penetrate through the pressure plate when the pressure plate is pressed downwards.
The utility model has the advantages that:
(1) the utility model fixedly connects the pressure plate and the slag discharging disc through the dowel bar, when the drill bit is lifted out of the hole, the disc on the drill rod presses down the pressure plate to push the dowel bar so as to push the slag discharging disc, thereby quickly pushing the slag soil in the drill cylinder out of the drill cylinder, aiming at different soil layers, the noise is low, and the application range is wide; in addition, the drill bit is convenient to construct, operation habits of a drilling machine do not need to be changed, construction efficiency is high, cost is saved, and economic benefits are improved.
(2) The utility model discloses bore a section of thick bamboo outer wall and be provided with wear strip, to the assurance of aperture have very big effect, have also strengthened the intensity of boring a section of thick bamboo simultaneously.
(3) The utility model discloses the noise is little during the construction, can normal use in the place higher to noise control, and the suitability is strong, can effectively avoid the noise pollution that the construction produced, promotes work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural view of the square head upper plate assembly of the present invention.
Fig. 4 is a bottom view of the left and right drill plates of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a mute slag-discharging drill bit for construction of a drilling cast-in-place pile of a rotary drilling rig comprises a drilling barrel 1, eight wear-resistant strips 2 which are fixed on the outer wall of the drilling barrel 1 and have an arc structure, a square head upper plate assembly fixed at the top end of the drilling barrel 1, a left drilling plate 3 and a right drilling plate 3 fixed at the bottom end of the drilling barrel 1, a slag-discharging plate 4 and four force-transmitting rods 5 which are arranged in the drilling barrel 1, and a pressure plate 6 which is positioned right above the square head upper plate assembly and has an annular structure; the wall of the drilling barrel 1 is circumferentially and uniformly provided with openings 7 for reducing downward pressing resistance and draining water;
referring to fig. 3, the square head upper disc assembly comprises an upper disc 8 and a square head reinforcing rib plate 9 fixed on the upper end surface of the upper disc 8, four dowel bar protective sleeves 10 are fixed on the upper end surface of the upper disc 8, the top ends of the dowel bar protective sleeves 10 face to a pressure plate 6, the four dowel bar protective sleeves 10 are positioned on the periphery of the square head reinforcing rib plate 9, four through holes are respectively arranged on the pressure plate 6 and a slag discharging disc 4, the top ends of the four dowel bars 5 sequentially penetrate through the upper disc 8 and the dowel bar protective sleeves 10 and then penetrate through the four through holes of the pressure plate 6 and are welded and fixed, the bottom ends of the four dowel bars 5 penetrate through the four through holes of the slag discharging disc 4 and are welded and fixed with the slag discharging disc 4, four triangular limiting plates 11 are fixed on the inner wall of the drill barrel 1, the triangular limiting plates 11 are all fixedly connected with the lower end surface of the upper disc 8 and are used for limiting the movement of the dowel bars 5, when the dowel bars, the dowel bar 5 is limited from moving upwards continuously; the square head reinforcing rib plate 9 comprises a square head 91 with a square tubular structure consisting of four rib plates, four outer rib plates 92 which are positioned on the periphery of the square head 91 and are respectively fixedly connected with corners of the square head 91, and four L-shaped anchor ears 93 which are fixed at the top end of the square head 91, the four L-shaped anchor ears 93 are respectively and tightly connected with four corners of the top end of the square head 91, the bottom ends of the square head 91 and the outer rib plates 92 are fixed on the upper disc 8, and the upper disc 8 is provided with a square opening 94 communicated with the square head 91;
referring to fig. 2, four circular arc notches 61 are arranged on the inner ring of the pressure plate 6, so that four L-shaped hoops 93 of the square-head reinforcing rib plate 9 can conveniently penetrate through the pressure plate 6 when the pressure plate 6 is pressed downwards;
referring to fig. 4, the left and right drill plates 3 include a lower ring 31, a left fluted disc 32, a right fluted disc 33, and ten picks 34 fixed on the left fluted disc 32 and the right fluted disc 33 respectively, the top end of the lower ring 31 is fixedly connected with the bottom end of the drill barrel 1, the left fluted disc 32 and the right fluted disc 33 are both arranged obliquely, the top ends of the left fluted disc 32 and the right fluted disc 33 are both fixed on the inner wall of the lower ring 31, and the fixed points of the left fluted disc 32 and the lower ring 31 are radially symmetrical to the fixed points of the right fluted disc 33 and the lower ring 31, the bottoms of the left fluted disc 32 and the right fluted disc 33 are both in a triangular plate structure, the sharp corners at the bottom ends of the left fluted disc 32 and the right fluted disc 33 are both inclined downwards to the circle center of the lower ring 31, every five picks 34 are respectively fixed on one side edge of the bottom of the left fluted disc 32 or the right fluted disc 33 through corresponding pick cutting seats, the picks 34 on the left fluted disc 32 and the right fluted disc 33 are both inclined downwards, and the picks on the left fluted disc 32 are different in orientation from those on the right fluted disc 33.
The utility model discloses a theory of operation:
before drilling, the bottom end of the drill rod sequentially passes through the pressure plate 6, the square head 91 and the upper disc 8, and then the fixing piece passes through the connecting hole on the square head 91 to be fixed with the drill rod, so that the drill rod is connected with the drill bit of the utility model; when the drill rod is lifted, the disc on the drill rod extrudes the pressure plate 6, and the pressure plate 6 presses the slag discharge plate 4 downwards through the dowel bar 5, so that the slag soil in the drill cylinder 1 is quickly pushed out of the drill cylinder 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a quiet row of sediment drill bit for digging construction of brill machine drilling bored concrete pile soon which characterized in that: the square head upper disc assembly comprises an upper disc and a square head reinforcing rib plate fixed on the upper end face of the upper disc, the top ends of a plurality of force transmission rods penetrate through the upper disc and are fixedly connected with the pressure disc, the bottom ends of the plurality of force transmission rods are fixedly connected with the slag discharge disc, the left and right drilling plates comprise a lower ring, a left fluted disc, a right fluted disc and a plurality of picks fixed on the left fluted disc and the right fluted disc respectively, the top end of the lower ring is fixedly connected with the bottom end of the drill cylinder, the left fluted disc and the right fluted disc are obliquely arranged, the top ends of the left fluted disc and the right fluted disc are fixed on the inner wall of the lower ring, and the fixed points of the left fluted disc and the lower ring are radially symmetrical with the fixed points of the right fluted disc and the lower ring, the bottom of left fluted disc and right fluted disc is the triangle platelike structure, the equal oblique centre of a circle towards the lower circle of closed angle of left fluted disc and right fluted disc bottom, a plurality of picks be fixed in one of them side edge of left fluted disc and right fluted disc bottom respectively, the pick on left fluted disc and the right fluted disc is equal oblique downwards and on the left fluted disc pick and the right fluted disc pick the orientation difference.
2. The mute slag-discharging drill bit for the construction of the bored pile of the rotary drilling rig according to claim 1, which is characterized in that: and a plurality of wear-resistant strips with arc structures are fixed on the outer wall of the drilling barrel.
3. The mute slag-discharging drill bit for the construction of the bored pile of the rotary drilling rig according to claim 1, which is characterized in that: the up end of hanging wall on be fixed with a plurality of dowel steel protective sheaths, the top of dowel steel protective sheath all towards the pressure disk, a plurality of dowel steel protective sheaths are located deep floor's periphery, the top of a plurality of dowel steel pass hanging wall and dowel steel protective sheath and pressure disk fixed connection in order.
4. The mute slag-discharging drill bit for the construction of the bored pile of the rotary drilling rig according to claim 1, which is characterized in that: and each cutting tooth on the left fluted disc and the right fluted disc is fixed on the left fluted disc or the right fluted disc through the corresponding cutting tooth seat.
5. The mute slag-discharging drill bit for the construction of the bored pile of the rotary drilling rig according to claim 1, which is characterized in that: the inner wall of the drilling barrel is fixedly provided with a plurality of triangular limiting plates, and the triangular limiting plates are fixedly connected with the lower end face of the upper disc.
6. The mute slag-discharging drill bit for the construction of the bored pile of the rotary drilling rig according to claim 1, which is characterized in that: the wall of the drilling barrel is circumferentially and uniformly opened and is used for reducing downward pressing resistance and draining water.
7. The mute slag-discharging drill bit for the construction of the bored pile of the rotary drilling rig according to claim 1, which is characterized in that: the square head reinforcing rib plate comprises a square head of a square tubular structure consisting of four rib plates, four outer rib plates which are positioned on the periphery of the square head and are fixedly connected with the corners of the square head respectively and four L-shaped hoops which are fixed at the top end of the square head, wherein the four L-shaped hoops are respectively and tightly connected with four corners of the top end of the square head, the bottom ends of the square head and the outer rib plates are fixed on the upper plate, and the upper plate is provided with a square opening communicated with the square head.
8. The mute slag-discharging drill bit for the construction of the bored pile of the rotary drilling rig according to claim 1, which is characterized in that: the pressure disk with arrange the sediment dish on all be provided with a plurality of through-holes, the top of a plurality of dowel bars penetrate a plurality of through-holes of pressure disk and with pressure disk welded fastening, the bottom of a plurality of dowel bars penetrate a plurality of through-holes of arranging the sediment dish and with arrange sediment dish welded fastening.
9. The mute slag-discharging drill bit for the construction of the bored pile of the rotary drilling rig according to claim 7, which is characterized in that: the inner ring of the pressure plate is provided with four arc-shaped notches, and four L-shaped hoops of the square-head reinforcing rib plate can conveniently penetrate through the pressure plate when the pressure plate is pressed downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922158996.XU CN211314115U (en) | 2019-12-05 | 2019-12-05 | Mute slag-discharging drill bit for construction of bored pile of rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922158996.XU CN211314115U (en) | 2019-12-05 | 2019-12-05 | Mute slag-discharging drill bit for construction of bored pile of rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314115U true CN211314115U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922158996.XU Withdrawn - After Issue CN211314115U (en) | 2019-12-05 | 2019-12-05 | Mute slag-discharging drill bit for construction of bored pile of rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314115U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924869A (en) * | 2019-12-05 | 2020-03-27 | 中铁四局集团建筑工程有限公司 | Mute slag-discharging drill bit for construction of bored pile of rotary drilling rig |
| WO2022100029A1 (en) * | 2020-11-13 | 2022-05-19 | 中铁四局集团建筑工程有限公司 | Drill bit for rotary drilling rig |
| CN114753793A (en) * | 2022-03-23 | 2022-07-15 | 中铁十局集团青岛工程有限公司 | Drill bit is collected to dregs for reverse circulation rig |
| CN116856861A (en) * | 2023-09-05 | 2023-10-10 | 浙江华东岩土勘察设计研究院有限公司 | Protective sleeve construction equipment |
-
2019
- 2019-12-05 CN CN201922158996.XU patent/CN211314115U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924869A (en) * | 2019-12-05 | 2020-03-27 | 中铁四局集团建筑工程有限公司 | Mute slag-discharging drill bit for construction of bored pile of rotary drilling rig |
| WO2022100029A1 (en) * | 2020-11-13 | 2022-05-19 | 中铁四局集团建筑工程有限公司 | Drill bit for rotary drilling rig |
| CN114753793A (en) * | 2022-03-23 | 2022-07-15 | 中铁十局集团青岛工程有限公司 | Drill bit is collected to dregs for reverse circulation rig |
| CN114753793B (en) * | 2022-03-23 | 2024-01-16 | 中铁十局集团青岛工程有限公司 | Slag soil collecting drill bit for reverse circulation drilling machine |
| CN116856861A (en) * | 2023-09-05 | 2023-10-10 | 浙江华东岩土勘察设计研究院有限公司 | Protective sleeve construction equipment |
| CN116856861B (en) * | 2023-09-05 | 2023-11-17 | 浙江华东岩土勘察设计研究院有限公司 | Protective sleeve construction equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200821 Effective date of abandoning: 20230614 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200821 Effective date of abandoning: 20230614 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |